which shows a 4.2 \(\sigma \)  discrepancy from the Standard Model (SM) theoretical prediction \(a_\mu ^{\rm SM} = 116 591 810(43) \times 10^{-11}\)  [1]}, [2]}, [3]}, [4]}, [5]}, [6]}, [7]}, [8]}, [9]}, [10]}, [11]}, [12]}, [13]}, [14]}, [15]}, [16]}, [17]}, [18]}, [19]}, [20]}, [21]}, given by Equation (REF ):
\(\Delta a_\mu = a_\mu ^{\rm Exp} - a_\mu ^{\rm SM} = (251 \pm 59) \times 10^{-11}. \) 
